Outlook 2010: Random, frequent crashes (W7)

Recently Outlook 2010 has been crashing several times a day. I get no error messages, no freezes -- the program simply shuts down and closes any open (Outlook) windows. When I open it back up, it opens more quickly than it does from a cold start, and usually the reading pane is missing (I have to re-set that setting). The only Add-in that's enabled is Microsoft VBA for Outlook Add-in (do I need that?), and the Load behavior is shown as "Load on Demand, (not currently loaded)"

I can't think of any recent changes I've made to the computer, other than installing the patches recommended in PatchWatch.

Thanks, guys. I had assumed that having the add-ins "disabled" would have been sufficient. What I've done now is to run it as an administrator and actually remove the add-ins. So far, that seems to be working. What I don't know is whether any of those add-ins were important, but I'm guessing not -- ??